TY - JOUR AU - Kopeček, Oldřich TI - Existence of monomorphisms of partial unary algebras JO - Czechoslovak Mathematical Journal PY - 1978 SP - 462 EP - 473 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101551/ DO - 10.21136/CMJ.1978.101551 LA - en ID - 10_21136_CMJ_1978_101551 ER -